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General Surgery

David R. Dehaas Jr., MD

Works at hospitals in Coos Bay, OR · Springfield, OR · Oregon

Summary

Dr. David R. Dehaas Jr., MD is a general surgeon at 3355 Riverbend Dr, Suite 400, Springfield, OR 97477. Phone: (541) 222-2402. Accepts Medicare assignment. In 2024, David R. Dehaas Jr. had 689 Original Medicare patients and 1,257 services. NPI 1417986761. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about David R. Dehaas Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does David R. Dehaas Jr. accept Medicare assignment?
Yes. Medicare's clinician data says David R. Dehaas Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does David R. Dehaas Jr. see?
In 2024, CMS data shows 689 Original Medicare patients and 1,257 services for David R. Dehaas Jr.. This counts Original Medicare only and measures volume, not quality.
What is David R. Dehaas Jr.'s NPI number?
1417986761. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for David R. Dehaas Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients689
Services billed to Medicare1,257
Different services or procedures160
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Ultrasound study of arm or leg veins with compression and maneuvers (93970)145 services
  2. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)142 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)115 services
  4. Ultrasound study of arm and leg arteries (93922)99 services
  5. Ultrasound of both sides of head and neck blood flow (93880)74 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol71%
  • Arthritis48%
  • Chronic kidney disease37%
  • Diabetes34%
  • Heart failure32%

Hospitals where David R. Dehaas Jr. works

Medicare's Facility Affiliation Data lists David R. Dehaas Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where David R. Dehaas Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists David R. Dehaas Jr. as a member of these groups (CMS data updated October 2, 2026).

  • PeaceHealth Medical Group255 clinicians in the group
  • PeaceHealth197 clinicians in the group

Specialties

Find other General Surgery doctors in Oregon →

Other general surgeons in Springfield

Clinicians with the same Medicare primary specialty in Springfield, OR — not a recommendation.

All general surgeons in Springfield →

Other clinicians in PeaceHealth Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417986761
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians